Patents by Inventor Leonard J. Law

Leonard J. Law has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Special crimping tool
    Patent number: 6185980
    Abstract: A tool designed to perform the crimping of irregular shaped rings onto surfaces that are also potentially geometrically irregular. Because of the irregular shape of the crimping ring, special holding mechanisms and unique crimping ribs must be employed. A primary use of the subject invention is to field crimp a chain ring onto a cap chain utilized with installed fire hydrant caps.
    Type: Grant
    Filed: September 23, 1999
    Date of Patent: February 13, 2001
    Inventor: Leonard J. Law